Printer ribbon cassette



FIG. 1 is a rear, left, top perspective view of a printer ribboncassette;

FIG. 2 is a front, right, top perspective view thereof;

FIG. 3 is a top side view thereof;

FIG. 4 is a rear side view thereof;

FIG. 5 is a bottom side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The ornamental design for a printer ribbon cassette, as shown anddescribed.